Games like Horizon Shift
Games like Horizon Shift include LUFTRAUSERS, Nova Drift, Bit Blaster XL, Revolution Ace, and ZeroRanger. We matched them by the tags players give Horizon Shift on Steam (Action, Indie, Arcade, Shoot 'Em Up, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
LUFTRAUSERS
Shared: Indie · Action · Arcade
Nova Drift
Shared: Shoot 'Em Up · Arcade · Bullet Hell
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Revolution Ace
Shared: Action · Indie · Shoot 'Em Up
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Ikaruga
Shared: Shoot 'Em Up · Arcade · Action
BALL x PIT
Shared: Action · Arcade · Bullet Hell
Sky Force Reloaded
Shared: Arcade · Shoot 'Em Up · Bullet Hell
Star Saviors
Shared: Action · Shoot 'Em Up · Indie
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Action · Shoot 'Em Up · Bullet Hell
Exit the Gungeon
Shared: Indie · Action · Arcade
DRAINUS
Shared: Action · Indie · Shoot 'Em Up
Nex Machina
Shared: Action · Arcade · Bullet Hell
BLUE REVOLVER
Shared: Indie · Action · Shoot 'Em Up
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Vampire Survivors
Shared: Bullet Hell · Indie · Action
Waves
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Sine Mora
Shared: Indie · Action · Shoot 'Em Up
Commando Collection
Shared: Action · Arcade · Shooter
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shoot 'Em Up · Bullet Hell
UBERMOSH Vol.5
Shared: Action · Indie · Arcade
Beat Hazard
Shared: Shoot 'Em Up · Bullet Hell · Indie
Chicken Invaders 5
Shared: Action · Indie · Shoot 'Em Up